arm64: dts: mediatek: mt8192: Add thermal nodes and thermal zones

Add thermal nodes and thermal zones for the mt8192.

The mt8192 SoC has several hotspots around the CPUs.
Specify the targeted temperature threshold to apply the mitigation
and define the associated cooling devices.

Signed-off-by: Balsam CHIHI <bchihi@baylibre.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
[bero@baylibre.com: cosmetic changes, reduce lvts_ap size]
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
index 69f4cded5dbbf2112c082378b9018b5e7dbec1d2..238f6eb258323678c2b855a7883a76664dde4dcb 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
@@ -14,6 +14,8 @@
 #include <dt-bindings/phy/phy.h>
 #include <dt-bindings/power/mt8192-power.h>
 #include <dt-bindings/reset/mt8192-resets.h>
+#include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/thermal/mediatek,lvts-thermal.h>
 
 / {
        compatible = "mediatek,mt8192";
@@ -72,6 +74,7 @@
                        next-level-cache = <&l2_0>;
                        performance-domains = <&performance 0>;
                        capacity-dmips-mhz = <427>;
+                       #cooling-cells = <2>;
                };
 
                cpu1: cpu@100 {
@@ -90,6 +93,7 @@
                        next-level-cache = <&l2_0>;
                        performance-domains = <&performance 0>;
                        capacity-dmips-mhz = <427>;
+                       #cooling-cells = <2>;
                };
 
                cpu2: cpu@200 {
@@ -108,6 +112,7 @@
                        next-level-cache = <&l2_0>;
                        performance-domains = <&performance 0>;
                        capacity-dmips-mhz = <427>;
+                       #cooling-cells = <2>;
                };
 
                cpu3: cpu@300 {
@@ -126,6 +131,7 @@
                        next-level-cache = <&l2_0>;
                        performance-domains = <&performance 0>;
                        capacity-dmips-mhz = <427>;
+                       #cooling-cells = <2>;
                };
 
                cpu4: cpu@400 {
@@ -144,6 +150,7 @@
                        next-level-cache = <&l2_1>;
                        performance-domains = <&performance 1>;
                        capacity-dmips-mhz = <1024>;
+                       #cooling-cells = <2>;
                };
 
                cpu5: cpu@500 {
@@ -162,6 +169,7 @@
                        next-level-cache = <&l2_1>;
                        performance-domains = <&performance 1>;
                        capacity-dmips-mhz = <1024>;
+                       #cooling-cells = <2>;
                };
 
                cpu6: cpu@600 {
@@ -180,6 +188,7 @@
                        next-level-cache = <&l2_1>;
                        performance-domains = <&performance 1>;
                        capacity-dmips-mhz = <1024>;
+                       #cooling-cells = <2>;
                };
 
                cpu7: cpu@700 {
@@ -198,6 +207,7 @@
                        next-level-cache = <&l2_1>;
                        performance-domains = <&performance 1>;
                        capacity-dmips-mhz = <1024>;
+                       #cooling-cells = <2>;
                };
 
                cpu-map {
@@ -788,6 +798,17 @@
                        status = "disabled";
                };
 
+               lvts_ap: thermal-sensor@1100b000 {
+                       compatible = "mediatek,mt8192-lvts-ap";
+                       reg = <0 0x1100b000 0 0xc00>;
+                       interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH 0>;
+                       clocks = <&infracfg CLK_INFRA_THERM>;
+                       resets = <&infracfg MT8192_INFRA_RST0_THERM_CTRL_SWRST>;
+                       nvmem-cells = <&lvts_e_data1>;
+                       nvmem-cell-names = "lvts-calib-data-1";
+                       #thermal-sensor-cells = <1>;
+               };
+
                pwm0: pwm@1100e000 {
                        compatible = "mediatek,mt8183-disp-pwm";
                        reg = <0 0x1100e000 0 0x1000>;
@@ -1114,6 +1135,17 @@
                        status = "disabled";
                };
 
+               lvts_mcu: thermal-sensor@11278000 {
+                       compatible = "mediatek,mt8192-lvts-mcu";
+                       reg = <0 0x11278000 0 0x1000>;
+                       interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH 0>;
+                       clocks = <&infracfg CLK_INFRA_THERM>;
+                       resets = <&infracfg MT8192_INFRA_RST4_THERM_CTRL_MCU_SWRST>;
+                       nvmem-cells = <&lvts_e_data1>;
+                       nvmem-cell-names = "lvts-calib-data-1";
+                       #thermal-sensor-cells = <1>;
+               };
+
                efuse: efuse@11c10000 {
                        compatible = "mediatek,mt8192-efuse", "mediatek,efuse";
                        reg = <0 0x11c10000 0 0x1000>;
@@ -1899,4 +1931,426 @@
                        power-domains = <&spm MT8192_POWER_DOMAIN_MDP>;
                };
        };
+
+       thermal_zones: thermal-zones {
+               cpu0-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_mcu MT8192_MCU_LITTLE_CPU0>;
+
+                       trips {
+                               cpu0_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cpu0_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu0_alert>;
+                                       cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               cpu1-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_mcu MT8192_MCU_LITTLE_CPU1>;
+
+                       trips {
+                               cpu1_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cpu1_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu1_alert>;
+                                       cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               cpu2-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_mcu MT8192_MCU_LITTLE_CPU2>;
+
+                       trips {
+                               cpu2_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cpu2_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu2_alert>;
+                                       cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               cpu3-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_mcu MT8192_MCU_LITTLE_CPU3>;
+
+                       trips {
+                               cpu3_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cpu3_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu3_alert>;
+                                       cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               cpu4-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_mcu MT8192_MCU_BIG_CPU0>;
+
+                       trips {
+                               cpu4_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cpu4_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu4_alert>;
+                                       cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               cpu5-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_mcu MT8192_MCU_BIG_CPU1>;
+
+                       trips {
+                               cpu5_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cpu5_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu5_alert>;
+                                       cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               cpu6-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_mcu MT8192_MCU_BIG_CPU2>;
+
+                       trips {
+                               cpu6_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cpu6_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu6_alert>;
+                                       cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               cpu7-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_mcu MT8192_MCU_BIG_CPU3>;
+
+                       trips {
+                               cpu7_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cpu7_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&cpu7_alert>;
+                                       cooling-device = <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+                                                        <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+                               };
+                       };
+               };
+
+               vpu0-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_ap MT8192_AP_VPU0>;
+
+                       trips {
+                               vpu0_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               vpu0_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               vpu1-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_ap MT8192_AP_VPU1>;
+
+                       trips {
+                               vpu1_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               vpu1_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               gpu0-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_ap MT8192_AP_GPU0>;
+
+                       trips {
+                               gpu0_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               gpu0_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               gpu1-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_ap MT8192_AP_GPU1>;
+
+                       trips {
+                               gpu1_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               gpu1_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               infra-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_ap MT8192_AP_INFRA>;
+
+                       trips {
+                               infra_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               infra_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               cam-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_ap MT8192_AP_CAM>;
+
+                       trips {
+                               cam_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               cam_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               md0-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_ap MT8192_AP_MD0>;
+
+                       trips {
+                               md0_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               md0_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               md1-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_ap MT8192_AP_MD1>;
+
+                       trips {
+                               md1_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               md1_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               md2-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&lvts_ap MT8192_AP_MD2>;
+
+                       trips {
+                               md2_alert: trip-alert {
+                                       temperature = <85000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               md2_crit: trip-crit {
+                                       temperature = <100000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+       };
 };